HTTP in Detail

  • Hypertext transfer protocol (HTTP)
  • Used to access the World Wide Web and is used by all of today’s web applications.
  • A simple protocol that was originally developed for retrieving static text-based resources.
  • HTTP uses a message-based model in which a client sends a request message and the server returns a response message. 
  • Connectionless: although HTTP uses the stateful TCP protocol
  • Note: Each exchange of request and response is an autonomous transaction and may use a different TCP connection
HTTP in detail


  • HTTPThe Definitive Guideby David Gourley and Brian Totty (O’Reilly, 2002)
  • Website of the World Wide Web Consortium at